data-protection-and-encryption skillA
data-protection-and-encryption is agent-read markdown (skill) from cbrock84/headcount: Protects data itself rather than the systems around it — classifying what you hold, encrypting in transit and at rest and understanding what each actually defends against, managing keys and their rotation, handling secrets in applications and pipelines, minimizing and de-identifying, and deleting on purpose. Use this to design data protection for a system, assess an encryption claim, set up key or secret management, or work out what a stolen backup would actually expose..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# Data protection and encryption Perimeter and identity controls protect access to data. These controls protect the data when those have already failed, which is the scenario worth designing for. ## Classify before you protect, because you cannot protect everything equally A short scale beats a detailed one — three or four levels that people can apply without a manual. What matters is that each level carries concrete handling rules: where it may be stored, who may access it, whether it may leave the environment, and how long it is kept. **Find it before you classify it.** Sensitive data is rarely only where the architecture says it is: it accumulates in exports, analytics environments, test databases seeded from production, support tickets, and log files. ## Know what each kind of encryption actually defends against This is where claims get made loosely and expectations diverge from reality. - **In transit** protects against interception on the network. Enforce it everywhere, including internal service-to-service traffic, and prefer a modern configuration over one accumulated over years. …
Read the whole file at its exact version.
How to install
mdr add cbrock84/headcount/data-protection-and-encryption@git:20260916.e72e404mdr add cbrock84/headcount/data-protection-and-encryption@sha256:b325e8081f4399a5Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_zup2fxfgi3empio4)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260916.e72e404 latest | 2026-09-16 | e72e404 | 5,076 B | A | view · diff |
| git:20260901.d41b3ae | 2026-09-01 | d41b3ae | 4,737 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (5076 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
cbrock84/headcount · 1,664 stars · license MIT · pushed 2026-09-17 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_zup2fxfgi3empio4 GET https://markdownregistry.com/api/v1/resolve?ref=cbrock84/headcount/data-protection-and-encryption GET https://markdownregistry.com/api/v1/blob/b325e8081f4399a56d471d5180a8fe67fadc02cf6ee1d8774a39aed5662c3ebe
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